SUNDAY

NURSE JACKIE 9 p.m., Showtime

It has been a really good, if not great, season of Edie Falco’s series, which has already been renewed. The tone was more comic than it had been while Jackie was still using drugs and deceiving her friends and family; there was very little of the intense drama that has defined the series so far. The finale revolves around Jackie’s first sober anniversary. As always, Merritt Wever is irresistible.

MONDAY

THE GLADES 9 p.m., A&E

There are so many lite, likable series tucked into the corners of summer TV. This is one of them, along with the USA and TNT lineups. Now early into its fourth season, “The Glades” is about a Chicago homicide detective played by Matt Passmore who has relocated to Florida and now mixes golf in with his crime-solving. Like so many of the detectives of summer, he’s witty and wise.

TUESDAY

BLOOD AND OIL 10 p.m.,

Discovery Channel

This new reality series is about a Midwestern family named the Cutters who run an oil company. Black gold, Ohio tea. The Cutters are trying to keep their small business alive in the face of big oil corporations that have bought up drilling rights all over the state. Discovery is promoting the show as a David vs. Goliath struggle.

WEDNESDAY

MASTERCHEF 8 p.m., Fox

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The cheftestants prepare a meal for the cast and crew of “Glee.” What channel is “Glee” on? Oh, right. Jane Lynch, Cory Monteith, and Matthew Morrison serve as judges. By the way, Fox is coming out with a “Toddlers & Tiaras” version of the show with participants between the ages of 8 and 13. PB&J fraiche, anyone? “Junior MasterChef” premieres in the fall.

THURSDAY

WILFRED 10 and 10:30 p.m., FX

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Here’s why we call them the dog days of summer. This often clever cult comedy is back for a third season, with a pair of back-to-back episodes. It’s a buddy comedy featuring the relationship between a man, played by Elijah Wood, and a dog, played by the sharp Jason Gann in a ridiculous dog suit. The dog leads the risk-averse man into trouble, which is a good thing. There’s an extra layer of humor in the writing for viewers who know dogs.

FRIDAY

MAGIC CITY 10 p.m., Starz

The second episode of this gorgeously designed 1950s-set series introduces James Caan as — you guessed it — a mobster. He’s a Chicago boss named Sy Berman who makes Miami boss Ben Diamond — a very creepy Danny Huston — look like a puppy dog. And Ben is pretty horrible, which is loud and clear at the end of this hour.

SATURDAY

THE SEARCHERS 8 p.m., TCM

They don’t make ’em like this anymore. And they don’t say that anymore, but who cares. This John Ford western from 1956 is about two men, a Civil War veteran played by John Wayne and his nephew, who are looking for his abducted niece. It’s a classic and perfect for a Saturday night, with Vera Miles and Natalie Wood.